Chemical Constituents of the Branches and Leaves of Picrasma chinensis P.Y. Chen and Tyrosinase Inhibiting Activity

Author:

Zhou Qin‐Tao1,Yang Peng‐Yun1,Yang Quan‐Yu1,Pang Wen‐Hui1,Li Xiao‐Li1,Zhang Xing‐Jie1,Zhang Rui‐Han1,Xiao Wei‐Lie1ORCID

Affiliation:

1. Key Laboratory of Medicinal Chemistry for Natural Resource of Ministry of Education Yunnan Characteristic Plant Extraction Laboratory Yunnan Research & Development Center for Natural Products School of Chemical Science and Technology, and school of pharmacy State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan Yunnan University Kunming 650500 P. R. China

Abstract

AbstractOne new alkaloid, picrasine A, two new quassinoids, picralactones A−B, together with eleven known compounds were isolated from Picrasma chinensis P.Y. Chen. The structures of these compounds were determined using 1D and 2D NMR, HR‐ESI‐MS, and IR spectroscopic data, and by comparison with published data. Some compounds were tested for tyrosinase inhibiting activity, however, none of them exhibited strong inhibitory effects.

Funder

National Natural Science Foundation of China

Publisher

Wiley

Subject

Molecular Biology,Molecular Medicine,General Chemistry,Biochemistry,General Medicine,Bioengineering

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